Move LPC1768 framework out of Marlin source folder

platformio.ini

@@ -27,7 +27,7 @@ lib_deps =
   https://github.com/trinamic/TMC26XStepper.git
   https://github.com/adafruit/Adafruit_NeoPixel.git
   https://github.com/ameyer/Arduino-L6470.git
-default_src_filter = +<*> -<src/config/examples> -<frameworks>
+default_src_filter = +<*> -<src/config/examples>
 
 [env:megaatmega2560]
 platform = atmelavr
@@ -115,7 +115,9 @@ src_filter = ${common.default_src_filter}
 platform = nxplpc
 board_f_cpu = 100000000L
 build_flags = !python Marlin/src/HAL/HAL_LPC1768/lpc1768_flag_script.py
+src_build_flags = -Wall
+build_unflags = -Wall
 lib_ldf_mode = off
-lib_deps = U8glib-ARM
-src_filter = ${common.default_src_filter} +<frameworks/CMSIS/LPC1768>
+lib_extra_dirs = frameworks
+lib_deps = U8glib-ARM, CMSIS-LPC1768
 extra_scripts = Marlin/src/HAL/HAL_LPC1768/lpc1768_flag_script.py